Maintenance
4-36
TDS3000C Series S ervice Manual
Troubleshooting Procedure
Figures 4--20 through 4--22 are troubleshooting procedure flowcharts. Use them
to troubleshoot an instrument failure. Begin with Figure 4--20.
NOTE. Before performing the troubleshooting procedure, remove the instrument
cabinet (see page 4--5).
Yes
No
Done.
Power on the
oscilloscope.
Perform the AC Power Supply
troubleshooting procedure
(Figure 4--21).
Yes
No
Perform the Module Isolation
troubleshooting procedure
(Figure 4--22).
Does
the scope pass all the
diagnostics?
Does
the scope display the
power-up screen?
Figure 4- 20: Primary t roubleshooting procedure